import axios from "axios";
import { Loading, Message } from "element-ui";
import { saveAs } from "file-saver";
import { getToken } from "@/utils/auth";
import errorCode from "@/utils/errorCode";
import { blobValidate } from "@/utils/ruoyi";

const baseURL = process.env.VUE_APP_BASE_API;
let downloadLoadingInstance;

export default {
  oss(ossId) {
    var url = baseURL + "/system/oss/download/" + ossId;
    downloadLoadingInstance = Loading.service({
      text: "正在下载数据，请稍候",
      spinner: "el-icon-loading",
      background: "rgba(0, 0, 0, 0.7)",
    });
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    })
      .then(async (res) => {
        const isLogin = await blobValidate(res.data);
        if (isLogin) {
          const blob = new Blob([res.data], {
            type: "application/octet-stream",
          });
          this.saveAs(
            blob,
            decodeURIComponent(res.headers["download-filename"])
          );
        } else {
          this.printErrMsg(res.data);
        }
        downloadLoadingInstance.close();
      })
      .catch((r) => {
        console.error(r);
        Message.error("下载文件出现错误，请联系管理员！");
        downloadLoadingInstance.close();
      });
  },
  // download 后台新写的下载接口
  get(url, num, name) {
    var url = baseURL + url + num;
    downloadLoadingInstance = Loading.service({
      text: "正在下载数据，请稍候",
      spinner: "el-icon-loading",
      background: "rgba(0, 0, 0, 0.7)",
    });
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: { Authorization: "Bearer " + getToken() },
    })
      .then(async (res) => {
        const isLogin = await blobValidate(res.data);
        if (isLogin) {
          const blob = new Blob([res.data], {
            type: "application/octet-stream",
          });
          this.saveAs(blob, name);
        } else {
          this.printErrMsg(res.data);
        }
        downloadLoadingInstance.close();
      })
      .catch((r) => {
        console.error(r);
        Message.error("下载文件出现错误，请联系管理员！");
        downloadLoadingInstance.close();
      });
  },
  // download 后台新写的下载接口
  post(url, num, name) {
    var url = baseURL + url;
    downloadLoadingInstance = Loading.service({
      text: "正在下载数据，请稍候",
      spinner: "el-icon-loading",
      background: "rgba(0, 0, 0, 0.7)",
    });
    axios({
      method: "post",
      url: url,
      responseType: "blob",
      data: num,
      headers: { Authorization: "Bearer " + getToken() },
    })
      .then(async (res) => {
        const isLogin = await blobValidate(res.data);
        if (isLogin) {
          const blob = new Blob([res.data], {
            type: "application/octet-stream",
          });
          this.saveAs(blob, name);
        } else {
          this.printErrMsg(res.data);
        }
        downloadLoadingInstance.close();
      })
      .catch((r) => {
        console.error(r);
        Message.error("下载文件出现错误，请联系管理员！");
        downloadLoadingInstance.close();
      });
  },
  zip(url, name) {
    var url = baseURL + url;
    axios({
      method: "get",
      url: url,
      responseType: "blob",
      headers: {
        Authorization: "Bearer " + getToken(),
        datasource: localStorage.getItem("dataName"),
      },
    }).then(async (res) => {
      const isLogin = await blobValidate(res.data);
      if (isLogin) {
        const blob = new Blob([res.data], { type: "application/zip" });
        this.saveAs(blob, name);
      } else {
        this.printErrMsg(res.data);
      }
    });
  },
  saveAs(text, name, opts) {
    saveAs(text, name, opts);
  },
  async printErrMsg(data) {
    const resText = await data.text();
    const rspObj = JSON.parse(resText);
    const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode["default"];
    Message.error(errMsg);
  },
};
